diff --git a/Content.Client/White/EntityHealthBar/EntityHealthBarOverlay.cs b/Content.Client/White/EntityHealthBar/EntityHealthBarOverlay.cs
index 201448bedb..c202e4e1e3 100644
--- a/Content.Client/White/EntityHealthBar/EntityHealthBarOverlay.cs
+++ b/Content.Client/White/EntityHealthBar/EntityHealthBarOverlay.cs
@@ -25,7 +25,7 @@ public sealed class EntityHealthBarOverlay : Overlay
     private readonly MobThresholdSystem _mobThresholdSystem;
     private readonly Texture _barTexture;
     public override OverlaySpace Space => OverlaySpace.WorldSpaceBelowFOV;
-    public List<string> DamageContainers = new();
+    public List<string>? DamageContainers;
     // for icon frame change timer
     int iconFrame = 1;
     double delayTime = 0.25;
@@ -70,7 +70,7 @@ public sealed class EntityHealthBarOverlay : Overlay
                 continue;
             }
 
-            if (dmg.DamageContainerID == null || !DamageContainers.Contains(dmg.DamageContainerID))
+            if (dmg.DamageContainerID == null || DamageContainers != null && !DamageContainers.Contains(dmg.DamageContainerID))
                 continue;
 
             var worldPosition = _transform.GetWorldPosition(xform);
diff --git a/Content.Shared/White/EntityHealthBar/ShowHealthBarsComponent.cs b/Content.Shared/White/EntityHealthBar/ShowHealthBarsComponent.cs
index 1013f5b1ee..0feae82ad8 100644
--- a/Content.Shared/White/EntityHealthBar/ShowHealthBarsComponent.cs
+++ b/Content.Shared/White/EntityHealthBar/ShowHealthBarsComponent.cs
@@ -15,6 +15,6 @@ namespace Content.Shared.EntityHealthBar
         /// </summary>
 
         [DataField("damageContainers", customTypeSerializer: typeof(PrototypeIdListSerializer<DamageContainerPrototype>))]
-        public List<string> DamageContainers = new();
+        public List<string>? DamageContainers;
     }
 }